{"product_id":"nitinol-microweld-assembly-service-contract-micro-tig-joining-for-endovascular-components","title":"Nitinol Microweld Assembly Service | Contract Micro-TIG Joining for Endovascular Components","description":"\u003ch2\u003e\u0026lt;150 µm Fusion Zone Width — Every Weld, Every Lot\u003c\/h2\u003e\u003cp\u003eM4D LLC provides per-unit nitinol microweld assembly as a contract service for catheter OEMs, interventional device startups, and university R\u0026amp;D programs. ISO 13485:2016 certified, FDA registered, QCBD QMS-driven — every weld is traceable.\u003c\/p\u003e\u003cp\u003eNitinol’s superelastic and shape-memory properties make it indispensable in endovascular device architectures, but its oxide-rich surface chemistry and narrow processing window demand a fundamentally different joining protocol than stainless steel. M4D’s micro-TIG process controls inert gas shielding (Ar 99.999%), electrode-to-workpiece standoff to ±5 µm, and peak current pulse duration to \u0026lt;1 ms to avoid the heat-affected zone (HAZ) expansion that degrades nitinol’s Af transformation temperature.\u003c\/p\u003e\u003cp\u003eEach assembly is inspected under a calibrated stereo microscope (Leica S6 equivalent) for bead geometry, undercut, and porosity; pull-force is tested per ASTM F2633 methodology, with full test records stored in QCBD QMS and tied to the customer’s purchase order and lot number. The service covers nitinol-to-nitinol, nitinol-to-stainless steel (with Nb filler wire where specified), and nitinol coil-to-nitinol tube configurations.\u003c\/p\u003e\u003ch2\u003eProcess Data\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeld Process\u003c\/td\u003e\n\u003ctd\u003eMicro-TIG (GTAW), laser-microweld station\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShielding Gas\u003c\/td\u003e\n\u003ctd\u003eAr, 99.999% purity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFusion Zone Width\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;150 µm target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHAZ Management\u003c\/td\u003e\n\u003ctd\u003ePeak pulse \u0026lt;1 ms, feedback-controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJoint Configurations\u003c\/td\u003e\n\u003ctd\u003eNi-Ti\/Ni-Ti, Ni-Ti\/SS, coil-to-tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePull-Force Test\u003c\/td\u003e\n\u003ctd\u003eASTM F2633 methodology, per-lot record\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInspection\u003c\/td\u003e\n\u003ctd\u003eStereo microscope, bead geometry + porosity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQMS Documentation\u003c\/td\u003e\n\u003ctd\u003eQCBD, tied to PO and lot number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtO Compatibility\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulatory\u003c\/td\u003e\n\u003ctd\u003eISO 13485:2016, FDA Registered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePricing: $67.00 per unit assembly.\u003c\/strong\u003e Volume pricing available at 100+ units. Provide drawing or sample for feasibility review.\u003c\/p\u003e","brand":"M4D LLC","offers":[{"title":"Default Title","offer_id":50370334818471,"sku":null,"price":67.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/8842\/8199\/files\/image_c87c2306-8fb0-4359-8a46-5c4ae54451ea.png?v=1779876705","url":"https:\/\/m4dally.com\/products\/nitinol-microweld-assembly-service-contract-micro-tig-joining-for-endovascular-components","provider":"M4D LLC","version":"1.0","type":"link"}